MPG-70 firmware 3.x is now available for download!

HLFO - Utility Modulation Source for Eurorack - DIY Kit

Regular price $125.00 Sale


HLFO is out of production.  This page is intended to host the files related to the HLFO.


Muff-Wiggler Build Thread

HLFO User Manual

HLFO Build Guide (Updated 12-6-17)

Schematic (Updated 12-6-17)

BOM (Updated 3-28-18)

Refdes chart PDF

A video demonstrating how the HLFO works:

A video of the HLFO generating various waveforms and modulating a VCF/VCO: